JP2008236377A - 鍵提供システム、鍵提供装置、端末装置、鍵提供方法、及び鍵生成方法 - Google Patents
鍵提供システム、鍵提供装置、端末装置、鍵提供方法、及び鍵生成方法 Download PDFInfo
- Publication number
- JP2008236377A JP2008236377A JP2007073172A JP2007073172A JP2008236377A JP 2008236377 A JP2008236377 A JP 2008236377A JP 2007073172 A JP2007073172 A JP 2007073172A JP 2007073172 A JP2007073172 A JP 2007073172A JP 2008236377 A JP2008236377 A JP 2008236377A
- Authority
- JP
- Japan
- Prior art keywords
- key
- information
- generation path
- key generation
- terminal device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
- H04L9/0833—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key
- H04L9/0836—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key using tree structure or hierarchical structure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/60—Digital content management, e.g. content distribution
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Storage Device Security (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007073172A JP2008236377A (ja) | 2007-03-20 | 2007-03-20 | 鍵提供システム、鍵提供装置、端末装置、鍵提供方法、及び鍵生成方法 |
| KR1020097019573A KR20100014483A (ko) | 2007-03-20 | 2008-02-04 | 키 제공 시스템, 키 제공 장치, 단말 장치, 키 제공 방법, 및 키 생성 방법 |
| PCT/JP2008/051745 WO2008114540A1 (ja) | 2007-03-20 | 2008-02-04 | 鍵提供システム、鍵提供装置、端末装置、鍵提供方法、及び鍵生成方法 |
| CN2008800090496A CN101663856B (zh) | 2007-03-20 | 2008-02-04 | 密钥提供系统、密钥提供装置、终端设备、密钥提供方法和密钥生成方法 |
| EP08704422A EP2139153A1 (en) | 2007-03-20 | 2008-02-04 | Key providing system, key providing apparatus, terminal apparatus, key providing method, and key generating method |
| US12/532,091 US20100086133A1 (en) | 2007-03-20 | 2008-02-04 | Key Providing System, Key Providing Apparatus, Terminal Device, Key Providing Method, and Key Generation Method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007073172A JP2008236377A (ja) | 2007-03-20 | 2007-03-20 | 鍵提供システム、鍵提供装置、端末装置、鍵提供方法、及び鍵生成方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2008236377A true JP2008236377A (ja) | 2008-10-02 |
| JP2008236377A5 JP2008236377A5 (enExample) | 2010-02-12 |
Family
ID=39765656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007073172A Pending JP2008236377A (ja) | 2007-03-20 | 2007-03-20 | 鍵提供システム、鍵提供装置、端末装置、鍵提供方法、及び鍵生成方法 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20100086133A1 (enExample) |
| EP (1) | EP2139153A1 (enExample) |
| JP (1) | JP2008236377A (enExample) |
| KR (1) | KR20100014483A (enExample) |
| CN (1) | CN101663856B (enExample) |
| WO (1) | WO2008114540A1 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101547554B1 (ko) * | 2008-11-27 | 2015-08-26 | 삼성전자주식회사 | 디지털 콘텐츠 서비스 제공 방법 및 시스템 |
| US8885829B2 (en) * | 2009-10-22 | 2014-11-11 | Sony Corporation | Antipiracy key segmentation for HFC multicast distribution from master headend to cable hubs |
| JP5488180B2 (ja) * | 2010-04-30 | 2014-05-14 | ソニー株式会社 | コンテンツ再生装置、制御情報提供サーバ、及びコンテンツ再生システム |
| JP5909503B2 (ja) * | 2011-06-30 | 2016-04-26 | 株式会社日立製作所 | 計算機システム、アクセス制限方法及びストレージ装置 |
| KR101772355B1 (ko) * | 2014-06-11 | 2017-08-28 | 미쓰비시덴키 가부시키가이샤 | 작화 소프트웨어를 기록한 컴퓨터로 판독 가능한 매체 |
| EP3221997B1 (en) * | 2014-11-18 | 2019-11-13 | Nokia Technologies Oy | Secure access to remote data |
| CN106651363B (zh) * | 2016-12-28 | 2020-06-02 | 飞天诚信科技股份有限公司 | 一种硬件钱包及其持有者身份验证方法 |
| JP6302109B2 (ja) * | 2017-02-21 | 2018-03-28 | 株式会社東芝 | 通信制御装置、通信制御方法、プログラムおよび通信システム |
| EP3439228B1 (de) | 2017-08-02 | 2020-07-29 | Siemens Aktiengesellschaft | Verfahren und vorrichtungen zum erreichen einer sicherheitsfunktion, insbesondere im umfeld einer geräte- und/oder anlagensteuerung |
| US11599479B2 (en) * | 2018-05-09 | 2023-03-07 | Intel Corporation | Technology for fine-grain encryption and secure key injection on self-encrypting drives |
| CN116978509B (zh) * | 2023-09-22 | 2023-12-19 | 山东百康云网络科技有限公司 | 一种电子处方流转方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001352321A (ja) * | 2000-04-06 | 2001-12-21 | Sony Corp | 情報処理システム、情報処理方法、および情報記録媒体、並びにプログラム提供媒体 |
| JP2003273862A (ja) * | 2002-01-30 | 2003-09-26 | Sony Corp | 放送暗号化方法、放送復号方法及び受信装置 |
| JP2005123678A (ja) * | 2003-10-14 | 2005-05-12 | Sony Corp | 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム |
| JP2006074392A (ja) * | 2004-09-01 | 2006-03-16 | Canon Inc | 情報暗号化装置及びその制御方法、並びに、コンピュータプログラム及びコンピュータ可読記憶媒体 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6240188B1 (en) * | 1999-07-06 | 2001-05-29 | Matsushita Electric Industrial Co., Ltd. | Distributed group key management scheme for secure many-to-many communication |
| JP2005198043A (ja) * | 2004-01-07 | 2005-07-21 | Nec Corp | コンテンツ配信システム、その方法、サーバ、ユーザ端末、暗号化装置、管理装置およびストリーミング装置 |
| JP2006310182A (ja) | 2005-04-28 | 2006-11-09 | Toyota Motor Corp | 燃料電池システム及びパージ弁制御方法 |
| JP2006310213A (ja) | 2005-05-02 | 2006-11-09 | Sumitomo Electric Ind Ltd | フラットケーブル及びフラットケーブルの製造方法 |
| JP2006310226A (ja) | 2005-05-02 | 2006-11-09 | Omron Corp | マイクロスイッチ |
-
2007
- 2007-03-20 JP JP2007073172A patent/JP2008236377A/ja active Pending
-
2008
- 2008-02-04 CN CN2008800090496A patent/CN101663856B/zh not_active Expired - Fee Related
- 2008-02-04 US US12/532,091 patent/US20100086133A1/en not_active Abandoned
- 2008-02-04 EP EP08704422A patent/EP2139153A1/en not_active Withdrawn
- 2008-02-04 KR KR1020097019573A patent/KR20100014483A/ko not_active Withdrawn
- 2008-02-04 WO PCT/JP2008/051745 patent/WO2008114540A1/ja not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001352321A (ja) * | 2000-04-06 | 2001-12-21 | Sony Corp | 情報処理システム、情報処理方法、および情報記録媒体、並びにプログラム提供媒体 |
| JP2003273862A (ja) * | 2002-01-30 | 2003-09-26 | Sony Corp | 放送暗号化方法、放送復号方法及び受信装置 |
| JP2005123678A (ja) * | 2003-10-14 | 2005-05-12 | Sony Corp | 情報処理装置、情報記録媒体、および情報処理方法、並びにコンピュータ・プログラム |
| JP2006074392A (ja) * | 2004-09-01 | 2006-03-16 | Canon Inc | 情報暗号化装置及びその制御方法、並びに、コンピュータプログラム及びコンピュータ可読記憶媒体 |
Non-Patent Citations (3)
| Title |
|---|
| JPN6012030182; Nuttapong Attrapadung et al: 'Subset Incremental Chain Based Broadcast Encryption with Shorter Ciphertext' 第28回情報理論とその応用シンポジウム 予稿集 第1分冊 , 20051120, p.57〜60, 情報理論とその応用学会 * |
| JPN6012030183; 浅野 智之 他: 'Subset Incremental Chain に基づく計算量の小さな Broadcast Encryption 方式' 2007 年 暗号と情報セキュリティシンポジウム 予稿集CD-ROM , 20070123, 2C3-1, (社)電子情報通信学会 * |
| JPN6012030184; Nuttapong ATTRAPADUNG et al: 'Practical Broadcast Encryption from Graph-Theoretic Techniques and Subset-Incremental-Chain Structur' IEICE transactions on fundamentals of electronics, communications and computer sciences E90-A(1), 20070101, p.187-203, IEICE * |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20100014483A (ko) | 2010-02-10 |
| EP2139153A1 (en) | 2009-12-30 |
| CN101663856A (zh) | 2010-03-03 |
| WO2008114540A1 (ja) | 2008-09-25 |
| US20100086133A1 (en) | 2010-04-08 |
| CN101663856B (zh) | 2013-01-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20091221 |
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| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20091221 |
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| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120612 |
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| A02 | Decision of refusal |
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